In a first of its kind study in the US, those with IBS overcame symptoms with diet changes compared to control
A change in diet can improve the lives of those diagnosed with a common, but hard-to-treat gut disorder.
that's the result of research by the University of Michigan Health System, presented at Digestive Disease Week, that studied for the first time in the United States the result of following a carefully controlled diet to improve the symptoms and quality of life for those with irritable bowel syndrome.
"This is the only methodically rigorous clinical trial to show that diet-based therapy can not only improve symptoms, but also quality of life in patients with IBS," says U-M assistant clinical professor and gastroenterologist Shanti Eswaran, M.D., who researches the role of diet and food in functional bowel diseases such as IBS.
Irritable bowel syndrome can be highly debilitating, if not virtually paralyzing, and affect work, sleep and personal and family relationships.
Most treatments initially rely on medications that are often expensive, usually ineffective and frequently cause unwelcome side effects. And unfortunately there is no cure.
Many practitioners and patients have turned to diet as a possible treatment, but many of the dietary recommendations have not been backed by clinical trials.
The study, the largest of its kind, measured the degree of relief from low FODMAP, a frequently recommended diet, which stands for Fermentable Oligo-Di-Monosaccharides and Polyols.
This diet excludes many compounds found in wheat, certain fruits and vegetables, garlic, onions and sugar substitutes.
Over a six-week process, registered dietitians educated and monitored the progress of more than 90 IBS patients. Roughly half followed a prescribed low FODMAP diet, and half were a control group that used a common-sense regimen, cutting down on large meals, binges and known irritants such as caffeine and alcohol.
The results were impressive: More than 50 percent of the patients on the low FODMAP diet had major improvement of their abdominal pain, compared with 20 percent of the control group.
There was also more improvement of other bothersome symptoms compared to the control group: bloating, diarrhea and stool urgency.
Eswaran collaborated with William Chey, M.D., professor of internal medicine, Kenya Jackson, Sivaram G. Pillai, Samuel W. Chey and Theresa Han-Markey, M.S., R.D., at the University of Michigan on the study abstract published in Gastroenterology.
At four weeks, the proportion of patients with a meaningful improvement in IBS quality of life was significantly higher in the low FODMAP group compared to the control group -- 61 percent versus 27 percent.
While the results are highly encouraging for IBS sufferers, there are a few important caveats, Eswaran says.
Because of the many unknowns about the chemical causes and triggers of IBS, the list of "bad" foods is exhaustive and elusive, and help from a dietician is highly recommended.
"Low-FODMAP is not a new treatment, but we are now convinced that it really works," she says. "Our next step will be to more precisely determine the underlying chemistry of how and why particular foods can yield dramatically different results for different people. Meanwhile, we strongly recommend that IBS patients work with their physician and a registered dietitian to navigate the Low-FODMAP diet to take control of their IBS symptoms."
Story Source:
The above post is reprinted from materials provided by University of Michigan Health System. Note: Materials may be edited for content and length.
Journal Reference:
- Shanti L. Eswaran, William D. Chey, Kenya Jackson, Sivaram G. Pillai, Samuel W. Chey, Theresa Han-Markey. 821 A Low FODMAP Diet Improves Quality of Life, Reduces Activity Impairment, and Improves Sleep Quality in Patients With Irritable Bowel Syndrome and Diarrhea: Results From a U.S. Randomized, Controlled Trial.Gastroenterology, 2016; 150 (4): S172 DOI: 10.1016/S0016-5085(16)30665-5
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